[ Feature ]
Form : Shinogi-zukuri. Iori-mune. Mihaba is relatively wide. Kasane is oridinal. There are few differences between moto-haba and saki-haba. Moderate soria attached. Chû-kissaki form.
Nakago : Suri-age. Machi has been advanced. Yasurimes are katte-sagari. Saki is shallow kuri-jiri. Two holes.
Jigane : Itame-hada. Some changes mixed. Jinie attached. Chikei appeared. Utsuri comes to be appeared with some white tone.
Hamon : Chû-sugu-ha. Deep nioi appeared. Nie attached well. Suna-gashis appeared.
Boushi : It runs in sugu. Form is ko-maru. Saki has haki-kake form.

[ Highlight ] Yamato Daijo Sadayuki "大和大掾貞行" was a swordsmith from Bungo Takada. The sword was made around the Manji period and was honored as the title of Yamato-kami. The inscriptions are "豊後高田住藤原貞行", "大和大掾藤原貞行", etc. The texture is deep and the edge of the blade is well worked with attached nie.

[ Conditions ]On the front, under the yokote, near the edge of the blade, there are some very small rust spots. But the rest is good.